Spring River

Hardy Bridge (Sharp County, Arkansas)
Built 1916; destroyed by flooding in 1982
Lost two-span through truss bridge over Spring River on Spring Street in Hardy
Destroyed by flooding

Imboden Bridge (Lawrence County, Arkansas)
Built 1937 by C.F. Lytle of Sioux City, Iowa
Pony and deck truss bridge over Spring River and the Frisco Railroad on US 62 at Imboden
Open to two-lane traffic, with a pedestrian sidewalk

Mammoth Spring Bridge (Fulton County, Arkansas)
Lost six-span pony truss bridge over Spring Lake (the outlet of Mammoth Spring)
Demolished in the 1960s

Spring River CR 74 Bridge (Fulton County, Arkansas)
Built 1916 by H.B. Walton
Five-span concrete deck girder bridge over Spring River on Riverview Drive/CR 74 (Old US 63) in Mammoth Spring
Open to one-lane traffic

Spring River Swinging Bridge (Randolph County, Arkansas)
Built 1936 by the Works Progress Administration; destroyed by fire in 1951 under mysterious circumstances. Current bridge built 1992.
Lost swinging bridge over Spring River next to AR 361 between Black Rock and Old Davidsonville
Bridge destroyed, but some vestiges remain, including a standing tower, a fallen tower, some cables, and some approach piers